Engine-Codes - Saturn - B1259 Saturn

B1259 Saturn Code - Solar Radiation Sensor Circuit Open

- Code Popularity: 875 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC B1259 Saturn?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Solar Radiation Sensor
  • Solar Radiation Sensor harness is open or shorted
  • Solar Radiation Sensor circuit poor electrical connection
  • Faulty Electronic Automatic Temperature Control (EATC) Module
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How to Fix the DTC B1259 Saturn?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B1259 Saturn code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B1259 Saturn Code Mean?

Under normal operation, the solar radiation sensor receives a ground through the circuit. A 5-volt reference voltage is supplied to the solar radiation sensor from the Electronic Automatic Temperature Control (EATC) Module through. The EATC Module monitors the Solar Radiation Sensor. The EATC Module sets the OBDII code when the Solar Radiation Sensor is not to factory specifications.

B1259 Saturn Code - Solar Radiation Sensor Circuit Open

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